Lydia is telling Kevin that he needs to trust more than just her in the house. She trust Jesse and he needs to trust him so that they aren't put up. They are talking about how they have to appear that they trust others so that they aren't put up.

Lydia expalins that they need to keep being nice and fly under the radar like they were doing, but when Michele won the POV and then they werent' anymore.

THey are now talking about how did Jess and Nat find out that Lydia wants to put Nat up. Kevin explains that when you say something out loud that people are around the corner listening